The Herb Medicine Formula “Chong Lou Fu Fang” Increases the Cytotoxicity of Chemotherapeutic Agents and Down-Regulates the Expression of Chemotherapeutic Agent Resistance-Related Genes in Human Gastric Cancer Cells In Vitro

Table 3

Summary of CI values at 20, 50 and 80% fraction affected.

Cell line	Regimen	CI at fraction affected (mean ± SD)
		20%	30%	50%	80%
SGC-7901	CLFF + 5-FU	0.80 ± 0.18	0.68 ± 0.06	0.71 ± 0.03	0.79 ± 0.02
	CLFF + Oxa	0.87 ± 0.21	0.98 ± 0.15	1.22 ± 0.07	1.80 ± 0.42
	CLFF + Doc	0.68 ± 0.22	0.78 ± 0.17	0.98 ± 0.12	1.55 ± 0.41
BGC-823	CLFF + 5-FU	0.69 ± 0.11	0.74 ± 0.06	0.85 ± 0.02	1.15 ± 0.15
	CLFF + Oxa	0.90 ± 0.19	0.99 ± 0.16	1.21 ± 0.07	1.63 ± 0.18
	CLFF + Doc	0.74 ± 0.23	0.90 ± 0.23	1.24 ± 0.22	2.06 ± 0.15